public override bool TryGetMember(GetMemberBinder binder, out object result)
{
var propName = binder.Name;
var prop = _parent.GetType().GetProperty(propName);
if (prop != null)
{
result = prop.GetValue(_parent, null);
}
else
{
result = 0;
}
return(true);
}
private static void ReportOwnerException(PropertyInfoEx propEx, IStateObject newValue, string old_Uid)
{
var stackTrace = new System.Diagnostics.StackTrace(4, true);
var ownerInfo = " Not owner info available";
var ownerObject = StateManager.Current.GetParentEx(newValue);
if (ownerObject != null)
{
var format =
" The owner of the object is an instance of class {0}, it is {1}. Look for property {2}. It could have been set during a Build call that is still of process or during an Initialize.Init which is the WebMap equivalent of a constructor. If it is used as parent reference reimplement the property as a non virtual, [StateManagement(None)] calculated property using ViewManager.GetParent(), you can also use [Reference] attribute or disable interception by removing virtual from the property";
if (StateManager.AllBranchesAttached(ownerObject))
{
ownerInfo = string.Format(format,
TypeCacheUtils.GetOriginalTypeName(ownerObject.GetType()), " ATTACHED ",
StateManager.GetLastPartOfUniqueID(newValue));
}
else
{
ownerInfo = string.Format(format, "NOT ATTACHED",
TypeCacheUtils.GetOriginalTypeName(ownerObject.GetType()),
StateManager.GetLastPartOfUniqueID(newValue));
}
}
throw new InvalidOperationException(
"LazyBehaviour::ProcessSetter object has already an Owner." + ownerInfo + "\r\n" +
"UniqueID: " + old_Uid + "\r\n" +
"Additional Info: \r\n" +
"ViewModel Type: " + newValue.GetType().FullName + "\r\n" +
"Property Type: " + propEx.prop.PropertyType.FullName + "\r\n" +
"Error Location: " + stackTrace.ToString());
}
internal void SyncDirtyModel(JToken jobj)
{
string uniqueId = ((JProperty)(jobj)).Name;
IStateObject obj = StateManager.Current.GetObject(uniqueId);
Debug.Assert(obj != null, "Model to sync was not found ID:" + uniqueId);
JToken val = jobj.FirstOrDefault();
if (val != null && (!(val is JArray) || (((JArray)val).Count > 0 && ((JArray)val)[0].HasValues)))
{
var type = obj.GetType();
bool converterUsed = false;
foreach (var converter in convertersForAppChanges)
{
if (converter.CanConvert(type))
{
var ns = converter.GetType().Namespace;
if (ns != null && ns.Equals("UpgradeHelpers.BasicViewModels.SerializationAndStorage", StringComparison.Ordinal))
{
using (JsonReader reader = val.CreateReader())
{
reader.Read();
converter.ReadJson(reader, type, obj, syncDirtyModelsSerializer);
converterUsed = true;
break;
}
}
}
}
if (!converterUsed)
{
syncDirtyModelsSerializer.Populate(val.CreateReader(), obj);
}
}
}
/// <summary>
/// Retrieves type information for an state object
/// </summary>
/// <param name="m"></param>
/// <returns>0 if not found or a number greater that 0 from the type map table</returns>
public static int GetModelTypedInt(IStateObject m)
{
if (ClientSideMappingInfo == null || m == null)
{
return(0);
}
var type = m.GetType();
return(GetModelTypedInt(type));
}
private static void ReportInvalidStateObject(PropertyInfoEx propEx, IStateObject newValue)
{
var stackTrace = new System.Diagnostics.StackTrace(3, true);
throw new InvalidOperationException(
"LazyBehaviour::ProcessSetter old_Uid was null. This might happen if the ViewModel is instantiated with new instead of using Container.Resolve<T>.\r\n" +
"Additional Info: \r\n" +
"ViewModel Type: " + newValue.GetType().FullName + "\r\n" +
"Property Type: " + propEx.prop.PropertyType.FullName + "\r\n" +
"Error Location: " + stackTrace.ToString());
}
private void ProcessIfOrphan()
{
if (!StateManager.AllBranchesAttached(_current.UniqueID))
{
//If we enter here we are Orphans :(
//We asumme we got here because we are inside a surrogate and
//that means that there is an StateObjectSurrogate associated with the parentObject
if (parentCandidate == null)
{
var typeName = TypeCacheUtils.GetOriginalTypeName(_current.GetType());
throw new NotSupportedException("The wrapped stated of type " + typeName + "object with ID" + _current.UniqueID + " does not have a valid parent reference");
}
var parentSurrogate = StateManager.Current.surrogateManager.GetSurrogateFor(parentCandidate, generateIfNotFound: false);
if (parentSurrogate == null)
{
var typeName = TypeCacheUtils.GetOriginalTypeName(_current.GetType());
throw new NotSupportedException("The wrapped stated of type " + typeName + "object with ID" + _current.UniqueID + " does not have a valid parent SURROGATE reference");
}
AdoptionInformation.StaticAdopt(parentSurrogate, _current);
}
}
public static ActionResult DefaultEventHandlerBasedOnConventions(Type refType, string id, string form, IStateObject viewFromClient,
string eventSender)
{
string classForLogic = string.Format("{0}.{1}", refType.Namespace, form);
Type classType = refType.Assembly.GetType(classForLogic, false);
if (classType != null)
{
////Get Reflection reference to static method Create
//var createMethod = classType.BaseType.GetMethod("Create");
MethodInfo method = classType.GetMethod(id, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
if (method != null)
{
//TODO StateManager.Instance.Save(viewFromClient);
object instance = Container.Resolve(refType, null);
int lastUnderscode = method.Name.LastIndexOf("_");
string propertyName = method.Name.Substring(0, lastUnderscode);
object argEventSender = viewFromClient;
PropertyInfo prop = viewFromClient.GetType().GetProperty(propertyName);
if (prop != null)
{
argEventSender = prop.GetValue(viewFromClient, null);
if (argEventSender != null && typeof(IList <>).IsAssignableFrom(prop.PropertyType))
{
//Control array
int index = 0;
if (int.TryParse(eventSender, out index))
{
argEventSender = ((IList)argEventSender)[index];
}
}
}
method.Invoke(instance, new[] { argEventSender, null });
}
return(new AppChanges());
}
else
{
return(new JsonResult {
Data = "NotAHandler", ContentType = null, ContentEncoding = null, JsonRequestBehavior = JsonRequestBehavior.DenyGet
});
}
}
/// <summary>
/// Given the instance it tries to add the bit array to the dictionary of bit arrays
/// representing the state (modified or not) of the model properties.
/// </summary>
/// <param name="model">The instance of IChangesTrackeable</param>
public void AddsBitArray(IStateObject model)
{
BitArray data;
if (!bitArrays.TryGetValue(model, out data))
{
var props = TypePropertiesCache.GetArrayPropertiesOrderedByIndex(model.GetType());
bitArrays.Add(model, new BitArray(props.Count));
}
else
{
data.SetAll(false);
}
}
//[StateManagement(StateManagementValues.None)]
//public virtual UpgradeHelpers.Interfaces.ILogicView<UpgradeHelpers.Interfaces.IViewModel> ParentForm
//{
// get { return GetParentForm(this); }
//}
private UpgradeHelpers.Interfaces.ILogicView <UpgradeHelpers.Interfaces.IViewModel> GetParentForm(IStateObject obj)
{
IStateObject parent = ViewManager.GetParent(obj);
if (parent == null)
{
return(null);
}
if (typeof(IViewModel).IsAssignableFrom(parent.GetType()))
{
return((UpgradeHelpers.Interfaces.ILogicView <UpgradeHelpers.Interfaces.IViewModel>)parent);
}
return(GetParentForm(parent));
}
private void RegisterWatchablePropertiesAndFieldsEx(IStateObject model)
{
var modelType = model.GetType();
var winfo = LoadWatcherInfo(modelType);
//It this type has no watchers, just exit.
if (Object.ReferenceEquals(winfo, NOINFO))
{
return;
}
//If the type has watchers then the delta tracker associated the model with its watchers info
watchedInfoEx = watchedInfoEx ?? new Dictionary <IStateObject, WatchedInfoEx>(ComparerByReference.CommonInstance);
if (!watchedInfoEx.ContainsKey(model))
{
lock (watchedInfoExLock)
{
watchedInfoEx.Add(model, new WatchedInfoEx(winfo, model));
}
}
}
public override void SaveObject(IStateObject obj)
{
try
{
object rawData = _serializer.ObjectToRaw(obj);
SaveRaw(obj.UniqueID, rawData);
}
catch (Exception ex)
{
TraceUtil.TraceError("SessionStorageManager::SaveObject id:{0} type:{1} Exception {2}", obj.UniqueID, obj.GetType(), ex.Message);
}
}
/// <summary>
/// Given the property Index and its instance, it sets in the corresponding bit array at
/// the corresponding index (of the property) the value to true (modified)
/// Assumming that model is not a dirty model
/// </summary>
/// <param name="model">The instance of IChangesTrackeable</param>
/// <param name="property">The name of the property</param>
public void MarkAsModified(IStateObject model, int index)
{
if (model.UniqueID == null ||
IsDirtyModel(model) ||
!StateManager.AllBranchesAttached(model))
{
return;
}
BitArray data;
lock (modifiedLock)
{
if (!bitArrays.TryGetValue(model, out data))
{
int typePropertiesLength = TypePropertiesCache.GetArrayPropertiesCount(model.GetType());
bitArrays.Add(model, data = new BitArray(typePropertiesLength));
}
if (data == null)
{
int typePropertiesLength = TypePropertiesCache.GetArrayPropertiesCount(model.GetType());
bitArrays[model] = data = new BitArray(typePropertiesLength);
}
}
data.Set(index, true);
}
/// <summary>
/// Given the property name and its instance, it sets in the corresponding bit array at
/// the corresponding index (of the property) the value to true (modified)
/// Assumming that model is not a dirty model
/// </summary>
/// <param name="model">The instance of IChangesTrackeable</param>
/// <param name="property">The name of the property</param>
public void MarkAsModified(IStateObject model, string property)
{
if (model.UniqueID == null ||
IsDirtyModel(model) ||
!StateManager.AllBranchesAttached(model))
{
return;
}
PropertiesExDictionary typeProperties = TypePropertiesCache.GetPropertiesIndexPositionOfType(model.GetType());
int propertyIndex;
if (!typeProperties.TryGetValue(property, out propertyIndex))
{
return;
}
BitArray data;
lock (modifiedLock)
{
if (!bitArrays.TryGetValue(model, out data))
{
bitArrays.Add(model, data = new BitArray(typeProperties.PropertiesList.Count));
}
if (data == null)
{
bitArrays[model] = data = new BitArray(typeProperties.PropertiesList.Count);
}
}
data.Set(propertyIndex, true);
}
/// <summary>
/// It collects all the delta objects int the given instance
/// </summary>
/// <param name="instance">The instance</param>
/// <returns>The changes found in the instance</returns>
public object GetDeltas(IStateObject instance)
{
// Arrayway
BitArray bitArray;
Delta delta = null;
// if model has been subscribed to any delta tracker
if (bitArrays.TryGetValue(instance, out bitArray))
{
if (bitArray == null)
{
return(null);
}
if (instance is IReturnWholeObjectAsDelta)
{
return(instance);
}
var propertiesMatchingBitArrays = TypePropertiesCache.GetArrayPropertiesOrderedByIndex(instance.GetType());
var dataCount = bitArray.Count;
for (var bitArrayPosition = 0; bitArrayPosition < dataCount; bitArrayPosition++)
{
if (bitArray.Get(bitArrayPosition))
{
var propertyInfoEx = propertiesMatchingBitArrays[bitArrayPosition];
if (!propertyInfoEx.mustIgnoreMemberForClient)
{
object propValue = propertyInfoEx.prop.GetValue(instance);
if (delta == null)
{
delta = new Delta();
}
delta.Add(propertyInfoEx.prop.Name, propValue);
}
}
}
}
if (delta != null)
{
//We are including the UniqueID in the delta
if (delta.Count > 0)
{
delta["UniqueID"] = instance.UniqueID;
}
}
return(delta);
}
